bash prompt coloring

For root

PS1="\[\033[01;31m\][\u@\h:\w]\\$\[\033[00m\] "
export EDITOR=vi

For normal users

PS1='\[\033[01;32m\]\u@\h\[\033[00m\]:\[\033[01;34m\]\w\[\033[00m\]\$ '
export EDITOR=vi